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/* @(#)wr_gamma.c 5.1 93/09/24 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: w_gamma_r.c,v 1.7 1995/11/20 22:06:45 jtc Exp $";
#endif
/*
* wrapper double gamma_r(double x, int *signgamp)
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
double __gamma_r(double x, int *signgamp) /* wrapper lgamma_r */
#else
double __gamma_r(x,signgamp) /* wrapper lgamma_r */
double x; int *signgamp;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_lgamma_r(x,signgamp);
#else
double y;
y = __ieee754_lgamma_r(x,signgamp);
if(_LIB_VERSION == _IEEE_) return y;
if(!__finite(y)&&__finite(x)) {
if(__floor(x)==x&&x<=0.0)
return __kernel_standard(x,x,41); /* gamma pole */
else
return __kernel_standard(x,x,40); /* gamma overflow */
} else
return y;
#endif
}
weak_alias (__gamma_r, gamma_r)
#ifdef NO_LONG_DOUBLE
strong_alias (__gamma_r, __gammal_r)
weak_alias (__gamma_r, gammal_r)
#endif
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